TPS75301QPWPRG4

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The TPS75301QPWPRG4 is a linear voltage regulator targeting system configurations which require single or dual output of power with up to ten times lower quiescent current. It integrates two boost converters, two linear voltage regulators and two additional LDO regulators, making it suitable for applications that require highly accurate voltage setting and low output noise. This article will focus on the application field and working principle of the TPS75301QPWPRG4.

Application Field

The TPS75301QPWPRG4 is suitable for low-power point-of-load (POL) voltage regulation in wireless platforms, industrial control, automotive and other applications which require a high efficiency voltage regulation with multiple outputs. It is particularly suitable for parameters such as system control, delay chain, RF chain, Bluetooth, and Arduino.

The TPS75301QPWPRG4 has low voltage dropout, low quiescent current, low output noise and accurate voltage setting. It operates well within the temperature range of -40°C to +85°C and supports a wide input voltage range of 2.3V to 5.5V. It is shipped in a QFN 15mm x 15mm package.

Working Principle

The TPS75301QPWPRG4 integrates 2 boost converters, 2 linear voltage regulators and 2 additional LDO regulators. It has five non-overlapping sequencing regulators which can be independently enabled or disabled. The internal power switch is capable of 200mA and the LDO regulators can provide up to 100mA with low noise. Besides, adjustable slew rate for the voltage regulator outputs can be controlled by register programming.

Two of the five regulators have up to six selectable modes of operation. These include linear regulators, controlled slew rate, power saving mode and power down mode. The other three regulators have different sets of selectable modes. One of them has selectable slew rate, power saving mode and power down mode, whereas the remaining two can select between linear regulators and power saving mode.

In summary, the TPS75301QPWPRG4 is a low-power, efficient linear voltage regulator which is suitable for many applications including system control, delay chains, Bluetooth, RF chains, Arduino and other low-power point-of-load voltage containment applications. Its five non-overlapping sequencing regulators provide a wide range of operating modes while consuming low quiescent current and offer low output noise. It is equipped with features like controlled slew rate, power saving mode and power down mode, making it a suitable fit for various applications.

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